:root{
  --bg:#eef1f4; --surface:#ffffff; --surface-2:#f6f8fa; --ink:#17212c; --ink-2:#4a5866; --line:#d5dce3;
  --accent:#1f5fa8; --accent-ink:#ffffff; --in:#17794a; --out:#b23a2e; --warn:#9a6a00; --chip:#e4ebf3;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --sans:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root{--bg:#0f151b;--surface:#18212a;--surface-2:#1f2a35;--ink:#e6ecf2;--ink-2:#9fb0c0;--line:#2d3b48;
    --accent:#5b9be3;--accent-ink:#0b1520;--in:#4cc38a;--out:#f07a6c;--warn:#e0b44a;--chip:#243444;color-scheme:dark}
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font:15px/1.45 var(--sans);-webkit-text-size-adjust:100%;
  padding-bottom:env(safe-area-inset-bottom,0px)}
a{color:var(--accent)}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;white-space:nowrap;text-align:right}
.pos{color:var(--in)} .neg{color:var(--out)} .muted{color:var(--ink-2)} .warn{color:var(--warn)}

header.top{position:sticky;top:0;z-index:5;background:var(--ink);color:#fff;padding:env(safe-area-inset-top,0px) 0 0}
@media (prefers-color-scheme:dark){header.top{background:#0a1016;border-bottom:1px solid var(--line)}}
.bar{display:flex;align-items:center;gap:12px;padding:10px 16px;max-width:1400px;margin:0 auto}
.brand{font-weight:600;font-size:17px;letter-spacing:.2px}
.brand small{font-weight:400;opacity:.7;margin-left:6px}
.spacer{flex:1}
.books{display:flex;background:rgba(255,255,255,.12);border-radius:8px;padding:3px}
.books button{background:none;border:0;color:#fff;opacity:.75;padding:6px 10px;border-radius:6px;font:inherit;font-size:13px;cursor:pointer}
.books button.on{background:#fff;color:#17212c;opacity:1;font-weight:600}
.logout{color:#fff;opacity:.75;font-size:13px;text-decoration:none}
nav.tabs{display:flex;gap:2px;overflow-x:auto;max-width:1400px;margin:0 auto;padding:0 10px}
nav.tabs button{background:none;border:0;color:#fff;opacity:.7;font:inherit;padding:9px 12px 11px;border-bottom:3px solid transparent;cursor:pointer;white-space:nowrap}
nav.tabs button.on{opacity:1;border-bottom-color:#7fb4ee;font-weight:600}
.badge{display:inline-block;min-width:18px;padding:0 5px;border-radius:9px;background:#e0b44a;color:#17212c;font-size:11px;font-weight:700;text-align:center;margin-left:4px}

main{max-width:1400px;margin:0 auto;padding:16px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px;margin-bottom:16px}
.panel h3{margin:0 0 12px;font-size:16px}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end}
.row>label{flex:1 1 150px}
label{display:block;font-size:13px;color:var(--ink-2)}
input,select,textarea{display:block;width:100%;margin-top:4px;padding:9px 10px;border:1px solid var(--line);border-radius:7px;background:var(--surface);color:var(--ink);font:inherit;font-size:15px}
input[type=checkbox]{display:inline;width:auto;margin:0 6px 0 0}
textarea{min-height:60px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:-1px}
button{font:inherit;cursor:pointer}
.btn{border:1px solid var(--line);background:var(--surface-2);color:var(--ink);border-radius:7px;padding:9px 14px}
.btn.primary,button.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:600}
.btn.danger{color:var(--out)}
.btn.small{padding:5px 9px;font-size:13px}
.btn:disabled{opacity:.5;cursor:default}
.seg{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 14px}
.seg button{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:999px;padding:6px 13px;font-size:14px}
.seg button.on{background:var(--ink);color:var(--surface);border-color:var(--ink)}
@media (prefers-color-scheme:dark){.seg button.on{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.hint{font-size:13px;color:var(--ink-2);margin:6px 0 0}

.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:8px}
table{border-collapse:collapse;width:100%;font-size:14px;background:var(--surface)}
th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:var(--surface-2);font-weight:600;font-size:13px;color:var(--ink-2)}
tr.click{cursor:pointer} tr.click:hover td{background:var(--surface-2)}
tr.total td{font-weight:700;border-top:2px solid var(--ink);background:var(--surface-2)}
tr.section td{font-weight:600;background:var(--chip)}
.tag{display:inline-block;font-size:12px;padding:1px 7px;border-radius:5px;background:var(--chip);color:var(--ink-2)}
.summary{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.summary div{flex:1 1 140px;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:10px 12px}
.summary b{display:block;font-family:var(--mono);font-size:18px;font-variant-numeric:tabular-nums}
.summary span{font-size:12px;color:var(--ink-2)}

.txn{border:1px solid var(--line);border-radius:8px;padding:12px;margin-bottom:10px;background:var(--surface)}
.txn .head{display:flex;gap:10px;align-items:baseline}
.txn .head .d{flex:1;min-width:0;overflow-wrap:anywhere}
.txn .row{margin-top:8px}
.sugg{margin-top:8px;padding:8px;background:var(--surface-2);border-radius:6px;font-size:14px}

.modal{position:fixed;inset:0;background:rgba(5,10,15,.55);display:flex;align-items:flex-start;justify-content:center;padding:calc(env(safe-area-inset-top,0px) + 20px) 12px 20px;z-index:20;overflow-y:auto}
.modal .panel{width:100%;max-width:640px;margin:0}
.toast{position:fixed;left:50%;bottom:calc(env(safe-area-inset-bottom,0px) + 18px);transform:translateX(-50%);background:var(--ink);color:var(--surface);padding:10px 16px;border-radius:8px;z-index:30;max-width:90vw;font-size:14px}
.toast.err{background:var(--out);color:#fff}
.empty{padding:24px;text-align:center;color:var(--ink-2)}
.hide{display:none!important}
.nw{white-space:nowrap}
.sm{display:none;font-size:12px}
@media (max-width:640px){.hm{display:none}.sm{display:block}th,td{padding:8px 7px}.bar{gap:8px;padding:10px 12px}.brand{font-size:16px}}

body.login{display:flex;min-height:100vh;align-items:center;justify-content:center;padding:16px}
.loginbox{width:100%;max-width:360px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:24px}
.loginbox h2{margin:0 0 16px}
.loginbox button{width:100%;margin-top:14px;padding:11px;border:0;border-radius:7px}
.err{color:var(--out)}

.printhead{display:none}
@media print{
  header.top,.noprint,.toast{display:none!important}
  body{background:#fff;color:#000}
  main{padding:0;max-width:none}
  .panel{border:0;padding:0}
  .printhead{display:block;margin-bottom:12px}
  .tablewrap{overflow:visible;border:0}
  th{background:#eee;color:#000}
}

.dash th.wk{text-align:center;border-left:1px solid var(--line)}
.dash td,.dash th{white-space:nowrap}
.dash td:first-child{white-space:normal;min-width:180px}
.sm2{font-size:11px;font-weight:400}